Zoom Tool is a tool for magnifying the selected part of MMB workspace under the mouse position. Running this tool will open the "Zoom Tool" window with enlarged part of screen. Right click in the window will appear the Zoom Tool settings menu.
Zoom Factor
Percentage of zoom. You can select between the 100 and 800 %.
Refresh Period
Amount of time used for refresh the Zoom Tool content. Lower value will refresh more often, but it can raise the CPU usage. The optimum value is between 20 - 50ms.
Floating Window
Cause move Zoom Tool window along with mouse.
Fixed Window
Deactivate Zoom Tool window movement (floating). Floating can be also skiped by CTRL+Space shortcut or by clicking on Zoom tool button.
Lock/Unlock View
This option will freeze/unfreeze the Zoom Tool updating when the mouse is moved. For Lock/Unlock you can use also CTRL+Space shortcut.
Show/Hide Grid
Show assistant Grid inside the Zoom tool window.
Grid Color
Set the color of assitant Grid.